一个“监控考生答题过程”的后台进程，利用“文件系统变化通知”实时监控试题指定文件夹的变化情况，从而实现Windows上机操作试题的实时自动评判技术。-A monitoring process candidates to answer, the background process, use the File System Change Notification real-time monitoring of changes in the questions specified folde